It was a rarity that Republican presidential front-runner Donald Trump didn’t appear on Sunday’s morning talk shows, but his presence was felt nonetheless, prompting the other GOP candidates to make the case they remain relevant despite sagging support.

Introducing Wisconsin Gov. Scott Walker, NBC’s “Meet the Press” host Chuck Todd summarized the mood of the GOP race this past week: “[Mr. Walker] was supposed to be the favorite in the race for some, the conservative Republican from a blue state, who beat the unions and got things done. But like so many of the Republican candidates right now, Walker has been swept away by the Trump storm.”